--- zzzz-none-000/linux-5.4.213/drivers/of/of_mdio.c	2022-09-15 10:04:56.000000000 +0000
+++ alder-5690pro-762/linux-5.4.213/drivers/of/of_mdio.c	2024-08-14 09:02:08.000000000 +0000
@@ -42,7 +42,7 @@
 	return -EINVAL;
 }
 
-static int of_mdiobus_register_phy(struct mii_bus *mdio,
+int of_mdiobus_register_phy(struct mii_bus *mdio,
 				    struct device_node *child, u32 addr)
 {
 	struct phy_device *phy;
@@ -99,6 +99,7 @@
 		child, addr);
 	return 0;
 }
+EXPORT_SYMBOL(of_mdiobus_register_phy);
 
 static int of_mdiobus_register_device(struct mii_bus *mdio,
 				      struct device_node *child, u32 addr)